diff --git a/pkgs/games/taisei/default.nix b/pkgs/games/taisei/default.nix
index c3b76b4980e3..3c4d0df2b036 100644
--- a/pkgs/games/taisei/default.nix
+++ b/pkgs/games/taisei/default.nix
@@ -8,11 +8,11 @@
 
 stdenv.mkDerivation rec {
   pname = "taisei";
-  version = "1.3";
+  version = "1.3.1";
 
   src = fetchurl {
     url = "https://github.com/taisei-project/${pname}/releases/download/v${version}/${pname}-v${version}.tar.xz";
-    sha256 = "0fl41cbjr8h6gmhc27l44cfkcnhg5c10b4fcfvnfsbjii8gdwvjd";
+    sha256 = "11f9mlqmzy1lszwcc1nsbar9q1hs4ml6pbm52hqfd4q0f4x3ln46";
   };
 
   nativeBuildInputs = [
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
       project of shoot-em-up games set in an isolated world full of Japanese
       folklore.
     '';
-    homepage = https://taisei-project.org/;
+    homepage = "https://taisei-project.org/";
     license = [ licenses.mit licenses.cc-by-40 ];
     maintainers = [ maintainers.lambda-11235 ];
     platforms = platforms.all;